Calculating machine



Oct. 13, 1942., E. H. DREHER CALCULATING MACHINE Filed March 18, 1936 46 Sheets-Sheet l INVENTOR Oct. 13, W42 E. H. DREHER CALCULATiNG MACHINE Filed March is, 1936 46 Sheets-Sheet 2 o@o o@.

INVENTOR ELMER H. DRErlER ffid KW HIS A TOR NEY E. H. DREHER CALCULATING MACHINE Oct. 13, 1942.

46 Shets-Sheet s Filed March 18, 1936 km/N INVENTOR ELMER H. DREHER flZ W HlS AT ORNEY CALCULATING MACHINE Filed March 18, 1936 46 Sheet-Sheet 4 INVENTOR ELMER H. DREHER HIS ATTORNEY Oct. 13, 1942. E, H, DREHE R 2,298,353 v CALCULATING MACHINE Filed March 18, 1936 46 Sheets-Sheet 5 FIGB FIG.5

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HIS ATTORNEY E. H. DREHER CALCULATING MACHINE Oct. 13, 1942.

Filed March 18, 19:56 46 Sheets-Sheet s FIC .6

INVENTOR ELMER H. DREHER HIS ATTORNEY Oct. 13, 1942. E. H. DREHER 2,298,353

CALCULATING MACHINE Filed March 18, 1936 46 Sheets-Shet 7 FIG]- INVENTOR EL.MER H. DREHER B Qr HIS ATT RNEY 42- E. H. ISREHER 2,298,353

CALCULATING MACH INE Filed March 18, 1936 46 Sheets-Sheet 8 INVENTOR ELMEIR H. DREHEP BY 4m HIS AT ORNEY Oct. 13, 1942.

E. H. DREHER CALCULATING MACH INE Filed March 18, 1936 4e Sheets-Sheet 9 INVENTOR ELMER H. DREHER HIS A TORNEY Oct. 13, 1942. E. DREHER 2,298,353

' CALCULATING MACHINE Filed March 18, 1936 46 Sheets-Sheet l0 FIGJI 1 Flmo FIGAII FIG-I4 INVENTOR ELMER H DREHER FIG-|2 FIG-l3 BY 4 v Hi5 AiTQRNE M Oct. 13,- 1942. E. H. DREHER 2,298,353

CALCULATING MACHINE Filed March 18, 1936 46 Sheets-Sheet 11 I I i l l l i I l I I l l I l I l u I l l I BIZ INVENTOR ELMER H. DRE HER Oct 13, 1942. E. H. DREHER CALCULATING MACHINE Filed March 18, 1956 46 Sheets-Sheet l2 INVE NTOR ELMER H DREHER HIS A TOR NEY Oct. 13, 1942. E. H. DREHER 2,298,353

' CALCULATING MA HINE Filed March 18, 1936 46 Sheets-Sheet 13 FIGJS INVENTOR ELMER H. DREHER zgx w/ k HIS ATTORNEY Oct. 13, 1942.

E. H. DREHER CALCULATING MACHINE Filed March 18, 1936 46 Sheets-Sheet 14 new INVENTOR ELMER H. DREHER HIS AT ORNEY at, 13 1942. DREHER 2,298,353

CALCULATING MACHINE Filed Mai-ch 18, 1956 46 Sheets-Sheet l5 fooooooooogoo INVENTOR ELMER H.- DREHER HIS A TOR NEY 1942- E. DREHER 2,298,353

CALCULATING MACHINE Filed March 18, 1936 46 Sheets-Sheet 16 O00UOOOOOOOOOOOOOOOOOOOOOG INVENTOR ELMER H. DREHER H15 ATTORNEY 0d; 13, 1942. DREHER CALCULATING MACHINE Filed March 18, 1936 46 Sheets-Sheet 17 'INVENTOR 1 ELMER H. DF EHER BY W HIS AT'IZORN Y 1942- E. H. DREHER I 2,298,353 CALCULATING MACHINE Filed March 18, 1936 46 Sheets-Sheet 18 FIG. 20

INVENTOR ELMER H. DREHER HIS ATTORNEY Oct. .13., 1942.

E. H. DREHER CALCULATING MACHINE Filed March 18, 1956 46 Sheets-Sheet 19 FIGZI I NVENTOR ELMER H. DREHER mgZ W HIS AT TORNEY Oct. 13, 1942.

E. H. DREHER 2,298,353

CALCULATING MACHINE Filed March 18, 1956 46 Sheets-Shet 2o FIGJ7 FlGJS FIG 22 Iii 11g!!! 5 INVENTOR ELMER H. DREHER HIS TToEzNEY 

